Here is a matrix of the 'Older' packages and their version numbers for each level of Solaris supported on this site.
Use the Search box to enter some or all of the package name, such as gcc, or keyword like editor. The "Current" link will take you to a list of up to the current versions per platform. In most cases the links under the SPARC builds will take you straight to the S3 download. Those with Corporate, and high level Sys Admin accounts may request even "older" packages held in our repository.